US Bridges

S-29-178 over N. Br of Wildcat CR

Good

Lancaster County, South Carolina · 12.8 MI E Lancaster · Structure no. 000000000009036

Built
1996
29 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
115 ft
1 main span
Daily traffic
1,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-29-178 over N. Br of Wildcat CR is a prestressed concrete stringer/multi-beam or girder carrying S-29-178 over N. Br of Wildcat CR in Lancaster County, South Carolina. It was built in 1996, so it is 29 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,100 vehicles a day, roughly 8% of them trucks, projected to reach 1,606 by 2043. The structure is 115 ft (35.1 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-29-178
CrossesN. Br of Wildcat CR
Location12.8 MI E Lancaster
RouteState Highway 178
CountyLancaster County
StateSouth Carolina
Coordinates34.75968, -80.55419
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length115 ft (35.1 m)
Longest span49 ft (14.9 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2023)
Projected traffic1,606 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-29-178 over N. Br of Wildcat CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is S-29-178 over N. Br of Wildcat CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does S-29-178 over N. Br of Wildcat CR carry?

About 1,100 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-29-178 over N. Br of Wildcat CR?

The structure is 115 ft (35.1 m) long with a longest span of 49 ft (14.9 m) and a deck 37 ft wide.

Who owns S-29-178 over N. Br of Wildcat CR?

It is owned by the State Highway Agency.